APA (7th ed.) Citation

Widiger, T. A., & Costa, P. T. (2013). Personality disorders and the five-factor model of personality (Third edition.). American Psychological Association.

Chicago Style (17th ed.) Citation

Widiger, Thomas A., and Paul T. Costa. Personality Disorders and the Five-factor Model of Personality. Third edition. Washington, DC: American Psychological Association, 2013.

MLA (9th ed.) Citation

Widiger, Thomas A., and Paul T. Costa. Personality Disorders and the Five-factor Model of Personality. Third edition. American Psychological Association, 2013.